Exhibit 12 UNISYS CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) ($ in millions) Six Months Ended Years Ended December 31 June 30, ------------------------------------------- 1996 1995 1994 1993 1992 1991 ---- ---- ---- ---- ---- ---- Income (loss) from continuing operations before income taxes $(12.3) $(781.1) $ 14.6 $370.9 $301.3 $(1,425.6) Add (deduct) share of loss (income) of associated companies (11.2) 5.0 16.6 14.5 3.2 (6.5) ------ ------- ------- ------ ------ --------- Subtotal (23.5) (776.1) 31.2 385.4 304.5 (1,432.1) ------ ------- ------- ------ ------ --------- Interest expense (net of interest capitalized) 118.8 202.1 203.7 241.7 340.6 407.6 Amortization of debt issuance expenses 2.9 5.1 6.2 6.6 4.8 1.8 Portion of rental expense representative of interest 32.6 65.3 65.0 70.5 78.8 80.9 ------ ------- ------- ------ ------ --------- Total Fixed Charges 154.3 272.5 274.9 318.8 424.2 490.3 ------ ------- ------- ------ ------ --------- Earnings (loss) from continuing operations before income taxes and fixed charges $(130.8) $(503.6) $306.1 $704.2 $728.7 $ (941.8) ======= ======= ======= ====== ====== ========= Ratio of earnings to fixed charges (a) (a) 1.11 2.21 1.72 (a) ======= ======= ======= ====== ====== ========= <FN> (a) Earnings for the six months ended June 30, 1996 and for the years ended December 31, 1995 and 1991 were inadequate to cover fixed charges by approximately $23.5 million, $776.1 million and $1,432.1 million, respectively.